1. Pires & Dolan Mol. Biol. Evol. 2010 PIFs HEC/IND PRE bHLH family

2. Carretero-Paulet et al. Plant Physiol. 2010 non DNA-binding bHLHs as regulators

3. Liljegren et al. Cell 2004 atypical bHLHs lack conserved glutamate residue in DBD

4. Gremski et al. Development 2007 HECATEs lack conserved glutamate

5. wild-type 35S:HEC2 35S:HEC3 Gremski et al. Development 2007 stigma/style defects in HEC mutants phenocopy spt

6. Gremski et al. Development 2007 HECs interact with SPT in Y2H

7. Carretero-Paulet et al. Plant Physiol. 2010 non DNA-binding bHLHs as regulators

8. Lee et al. Plant Cell Physiol. 2006 PRE proteins; PRE1 = PACLOBUTRAZOL RESISTANCE1 GA1 GA2 paclobutrazol GA20 oxidases GA3 oxidases GA2 oxidases gibberellin pool

9. PRE overexpression triggers GA response Lee et al. Plant Cell Physiol. 2006 GA1 GA2 paclobutrazol GA20 oxidases GA3 oxidases GA2 oxidases gibberellin pool

10. PRE overexpression triggers GA response Lee et al. Plant Cell Physiol. 2006 GA signaling constitutively repressed

11. PRE overexpression triggers GA response Lee et al. Plant Cell Physiol. 2006 Hyun et al. Plant Mol. Biol. 2006

12. PRE6/KIDARI overexpression affects light signaling Hyun et al. Plant Mol. Biol. 2006

13. PRE6/KIDARI suppresses HFR1 Hyun et al. Plant Mol. Biol. 2006

14. Wang et al. Plant Cell 2009 PRE5/ATSB1 regulates BR response

15. PRE/BNQ may regulate DNA-binding bHLH activities Mara et al. Plant Cell 2010

16. Loss of PRE/BNQ in flowers affects flower development Mara et al. Plant Cell 2010 bnq3/pre4 WT

17. Mara et al. Plant Cell 2010 PREs are regulated by floral ID genes (PRE=BNQ) /PRE1 /PRE2 /PRE4

18. Mara et al. Plant Cell 2010

19. Schlereth et al. Nature 2010 PRE3 is MP target (TMO) required for basal embryogenesis

20. Esmon et al. PNAS 2006 PRE2/BNQ2

21. SUBFAMILY XV: PRE GENES AT5G39860 PRE1/BNQ1/ili1-D (PACLOBUTRAZOL-RESISTANCE1/BANQUO1/INCREASED LAMINA INCLINATION) bHLH136 Lee et al. Plant Cell Physiol 2006; Mara et al. Plant Cell 2010; Zhang et al. Plant Cell 2009 AT5G15160 PRE2/BNQ2 bHLH134 Lee et al. Plant Cell Physiol 2006; Esmon et al. PNAS 2006 AT1G74500 PRE3/TMO7/atbs1-D (TARGET OF MONOPTEROS7/AT-BRI1-SUPP) bHLH135 Lee et al. Plant Cell Physiol 2006; Schlereth et al. Nature 2010; Wang et al. Plant Cell 2009 MP/ARF5 target in embryos AT3G47710 PRE4/BNQ3 bHLH161 Lee et al. Plant Cell Physiol 2006; AT3G28857 PRE5 Lee et al. Plant Cell Physiol 2006; AT1G26945 PRE6/KDR (KIDARI) Lee et al. Plant Cell Physiol 2006; Hyun & Lee Plant Mol Bio 2006 OTHER bHLHs AT3G25710 TMO5 BHLH032 Schlereth et al. Nature 2010 MP/ARF5 target in embryos SUBFAMILY VIIIb: HEC GENES AT4G00120 EDA33/IND (INDEHISCENT) Liljegren et al. Cell 2004 AT5G67060 HEC1 (HECATE 1) Gremski et al. Development 2006; Okushima et al. Plant Cell 2005 IAA-induction is ARF7-dependent AT3G50330 HEC2 (HECATE 2) Gremski et al. Development 2006 AT5G09750 HEC3 (HECATE 3) Gremski et al. Development 2006 AT3G21330 bHLH family protein RECENT bHLH REVIEWS/EVOLUTION Pires & Dolan Mol. Biol. Evol. 2010 Carretero & Paulet Plant Phys. 2010 in press